Welcome to Quality Pipe Service

QPS-Underground Infrastructure Specialists is a leading water and wastewater infrastructure contractor serving municipalities, water districts and general contractors throughout the Western U.S. QPS provides a full range of infrastructure services, including recurring inspection and maintenance programs; pipe and manhole repair; trenchless technologies; data/asset management and traditional infrastructure installation and replacement. QPS and its employees maintain industry leading qualifications and certifications meeting all NASSCO and PACP standards. QPS Underground Infrastructure Specialists – “out of sight, always in mind”

We are full service “problem solvers” committed to our Clients and their success
We provide “fit-for-purpose” solutions to meet our Clients’ needs and requirement.
The product or services they need… at the price they can afford (budgets)
We are “there when you need us” with manpower and equipment.

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Sprayroq is your source for spray-applied polyurethane products and solutions for Structural Rehabilitation, Corrosion Management, Infiltration Control and Peace of Mind. QPS serves as the Sprayroq Certified Partner installer for the Colorado, Wyoming, New Mexico, California, Nevada, and Arizona areas and can provide rehabilitation and protective lining of water, wastewater and industrial structures such as manholes, lift stations, wet wells, tanks, grit chambers, clarifiers, digesters, junction boxes, cooling tanks, large diameter pipelines, tunnels and secondary containment vessels.

Underground Infrastructure Specialists


  • Sanitary Sewers
  • Storm Sewers
  • Manhole Barrel Section/Invert
  • Manhole Locating


  • Sanitary Sewers (New or Live Pipe)
  • Storm Sewers (4" to 72")
  • Inlets and Culverts
  • Detention Ponds


  • Sewer or Main Lines
  • Grease Interceptors
  • Lift Stations
  • Manholes


  • Concrete Structures
  • Steel Tanks
  • Concrete Piping
  • Manholes
  • Various other Applications
  • Trenchless Pipe Repair
  • Lateral Seals